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131313212102 = 2157418194943
BaseRepresentation
bin111101001001011100…
…0001001101011000110
3110112221102222022222002
41322102320021223012
54122412140241402
6140154025505302
712326030613032
oct1722270115306
9415842868862
10131313212102
1150764980896
1221548642232
13c4c8c87407
1464d9a691c2
1536382b3602
hex1e92e09ac6

131313212102 has 8 divisors (see below), whose sum is σ = 198224403456. Its totient is φ = 65238410952.

The previous prime is 131313212083. The next prime is 131313212123. The reversal of 131313212102 is 201212313131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209097158 + ... + 209097785.

It is an arithmetic number, because the mean of its divisors is an integer number (24778050432).

Almost surely, 2131313212102 is an apocalyptic number.

131313212102 is a deficient number, since it is larger than the sum of its proper divisors (66911191354).

131313212102 is a wasteful number, since it uses less digits than its factorization.

131313212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418195102.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131313212102 its reverse (201212313131), we get a palindrome (332525525233).

The spelling of 131313212102 in words is "one hundred thirty-one billion, three hundred thirteen million, two hundred twelve thousand, one hundred two".

Divisors: 1 2 157 314 418194943 836389886 65656606051 131313212102